THE FATE OF THE FREE OMENTAL GRAFT IN ABDOMINAL SURGERY

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Abstract
The fate of the graft was ascertained microscopically and macroscopically. The transplants were utilized (1) over the site of excision of a supposed gastric ulcer; (2) over the closure of an artificial perforation of the small intestine; (3) over smooth peritoneum of the small intestine; (4) over areas of small intestine where the peritoneum had been removed; (5) over the pylorus following a Rammstedt operation; (6) over the site of a pyloromyomectomy; and (7) over artificial serosal defects in the spleen and liver accompanied by severe hemorrhage. A thin and well vascularized graft proved ideal. The most successful transplantation occurred when the peritoneum was stripped from the underlying surface. In 72 hrs. union was complete and young blood spaces and fibroblasts were found in the transplant. In 96 hrs. endothelializa-tion of the newly formed blood spaces began. The surface endothelium of the graft persisted and at 2 weeks was continuous with the endothelial covering of the recipient organ. Angioblastic and fibroblastic proliferation was pronounced the first 2 mos. after transplantation. At 4

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